English verb conjugation COULD PURCHASE

Regular verb: purchase - purchased - purchased

Affirmation

Simple form

I could purchase
you could purchase
she could purchase
we could purchase
you could purchase
they could purchase

V-ing form

I could be purchasing
you could be purchasing
she could be purchasing
we could be purchasing
you could be purchasing
they could be purchasing

Perfect

I could have purchased
you could have purchased
she could have purchased
we could have purchased
you could have purchased
they could have purchased

V-ing perfect

I could have been purchasing
you could have been purchasing
she could have been purchasing
we could have been purchasing
you could have been purchasing
they could have been purchasing

Negation

Simple form

I couldn't purchase
you couldn't purchase
she couldn't purchase
we couldn't purchase
you couldn't purchase
they couldn't purchase

V-ing form

I couldn't be purchasing
you couldn't be purchasing
she couldn't be purchasing
we couldn't be purchasing
you couldn't be purchasing
they couldn't be purchasing

Perfect

I couldn't have purchased
you couldn't have purchased
she couldn't have purchased
we couldn't have purchased
you couldn't have purchased
they couldn't have purchased

V-ing perfect

I couldn't have been purchasing
you couldn't have been purchasing
she couldn't have been purchasing
we couldn't have been purchasing
you couldn't have been purchasing
they couldn't have been purchasing

Interrogative form

Simple form

could I purchase?
could you purchase?
could she purchase?
could we purchase?
could you purchase?
could they purchase?

V-ing form

could I be purchasing?
could you be purchasing?
could she be purchasing?
could we be purchasing?
could you be purchasing?
could they be purchasing?

Perfect

could I have purchased?
could you have purchased?
could she have purchased?
could we have purchased?
could you have purchased?
could they have purchased?

V-ing perfect

could I have been purchasing?
could you have been purchasing?
could she have been purchasing?
could we have been purchasing?
could you have been purchasing?
could they have been purchasing?

Interro-negative form

Simple form

couldn't I purchase?
couldn't you purchase?
couldn't she purchase?
couldn't we purchase?
couldn't you purchase?
couldn't they purchase?

V-ing form

couldn't I be purchasing?
couldn't you be purchasing?
couldn't she be purchasing?
couldn't we be purchasing?
couldn't you be purchasing?
couldn't they be purchasing?

Perfect

couldn't I have purchased?
couldn't you have purchased?
couldn't she have purchased?
couldn't we have purchased?
couldn't you have purchased?
couldn't they have purchased?

V-ing perfect

couldn't I have been purchasing?
couldn't you have been purchasing?
couldn't she have been purchasing?
couldn't we have been purchasing?
couldn't you have been purchasing?
couldn't they have been purchasing?

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